Unit9 Lesson2 Brain Power 课件-2022-2023学年高中英语北师大版（2019）选择性必修第三册

Lesson 2 Brain power Unit 9 Human Biology Vocabulary atom n.原子 atomic adj. 原子的; 原子能的; nerve n.神经；焦虑，紧张 nervous adj. 神经紧张的； organ n.器官 organic adj.有机的；器官的 contain vt.包含，容纳，装盛 container n. 容器 locate vt.&vi.找出……的准确位置 location n. 位置 be located in/at 位于… zone n.地区，地带 time zone 时区 comfort zone 舒适区 intake n.摄入量，摄取量 take in 吸收，领会；欺骗 Activate and share How much do you know about the brain? Different areas of the brain are responsible for different functions. 额叶 顶叶 颞叶 枕叶 小脑 协调 Match the words from the box with their definitions. atom nerve billion cell organ ( ) 1. one thousand million ( ) 2. a part of the body that has a particular purpose, e.g. the heart ( ) 3. the smallest piece of something that can exist alone ( ) 4. a tiny part of the body that helps carry messages to and from the brain ( ) 5. a unit of living matter billion organ atom nerve cell Before listening to a lecture about the brain, read the statements and write T (true) or F (false). ( ) 1. The brain consists of only white matter. ( ) 2. The brain weighs just over a kilo. ( ) 3. The brain contains about one billion cells. ( ) 4. The brain uses 10% of the body’s energy. ( ) 5. The brain sends messages in the same way as a computer works. ( ) 6. There are more possible connections in your brain than there are atoms in the universe. F T F F T T Listen to the lecture and check your answers to Activity and correct the false ones. 1. The brain consists of only white matter. 2. The brain weighs just over a kilo. 3. The brain contains about one billion cells. 4. The brain uses 10% of the body’s energy. 5. The brain sends messages in the same way as a computer works. 6. There are more possible connections in your brain than there are atoms in the universe. grey and white matter.